1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * QLogic qlcnic NIC Driver
4  * Copyright (c) 2009-2013 QLogic Corporation
5  */
6 
7 #include <linux/types.h>
8 #include <linux/delay.h>
9 #include <linux/pci.h>
10 #include <linux/io.h>
11 #include <linux/netdevice.h>
12 #include <linux/ethtool.h>
13 
14 #include "qlcnic.h"
15 
16 struct qlcnic_stats {
17 	char stat_string[ETH_GSTRING_LEN];
18 	int sizeof_stat;
19 	int stat_offset;
20 };
21 
22 #define QLC_SIZEOF(m) sizeof_field(struct qlcnic_adapter, m)
23 #define QLC_OFF(m) offsetof(struct qlcnic_adapter, m)
24 static const u32 qlcnic_fw_dump_level[] = {
25 	0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff
26 };
27 
28 static const struct qlcnic_stats qlcnic_gstrings_stats[] = {
29 	{"xmit_on", QLC_SIZEOF(stats.xmit_on), QLC_OFF(stats.xmit_on)},
30 	{"xmit_off", QLC_SIZEOF(stats.xmit_off), QLC_OFF(stats.xmit_off)},
31 	{"xmit_called", QLC_SIZEOF(stats.xmitcalled),
32 	 QLC_OFF(stats.xmitcalled)},
33 	{"xmit_finished", QLC_SIZEOF(stats.xmitfinished),
34 	 QLC_OFF(stats.xmitfinished)},
35 	{"tx dma map error", QLC_SIZEOF(stats.tx_dma_map_error),
36 	 QLC_OFF(stats.tx_dma_map_error)},
37 	{"tx_bytes", QLC_SIZEOF(stats.txbytes), QLC_OFF(stats.txbytes)},
38 	{"tx_dropped", QLC_SIZEOF(stats.txdropped), QLC_OFF(stats.txdropped)},
39 	{"rx dma map error", QLC_SIZEOF(stats.rx_dma_map_error),
40 	 QLC_OFF(stats.rx_dma_map_error)},
41 	{"rx_pkts", QLC_SIZEOF(stats.rx_pkts), QLC_OFF(stats.rx_pkts)},
42 	{"rx_bytes", QLC_SIZEOF(stats.rxbytes), QLC_OFF(stats.rxbytes)},
43 	{"rx_dropped", QLC_SIZEOF(stats.rxdropped), QLC_OFF(stats.rxdropped)},
44 	{"null rxbuf", QLC_SIZEOF(stats.null_rxbuf), QLC_OFF(stats.null_rxbuf)},
45 	{"csummed", QLC_SIZEOF(stats.csummed), QLC_OFF(stats.csummed)},
46 	{"lro_pkts", QLC_SIZEOF(stats.lro_pkts), QLC_OFF(stats.lro_pkts)},
47 	{"lrobytes", QLC_SIZEOF(stats.lrobytes), QLC_OFF(stats.lrobytes)},
48 	{"lso_frames", QLC_SIZEOF(stats.lso_frames), QLC_OFF(stats.lso_frames)},
49 	{"encap_lso_frames", QLC_SIZEOF(stats.encap_lso_frames),
50 	 QLC_OFF(stats.encap_lso_frames)},
51 	{"encap_tx_csummed", QLC_SIZEOF(stats.encap_tx_csummed),
52 	 QLC_OFF(stats.encap_tx_csummed)},
53 	{"encap_rx_csummed", QLC_SIZEOF(stats.encap_rx_csummed),
54 	 QLC_OFF(stats.encap_rx_csummed)},
55 	{"skb_alloc_failure", QLC_SIZEOF(stats.skb_alloc_failure),
56 	 QLC_OFF(stats.skb_alloc_failure)},
57 	{"mac_filter_limit_overrun", QLC_SIZEOF(stats.mac_filter_limit_overrun),
58 	 QLC_OFF(stats.mac_filter_limit_overrun)},
59 	{"spurious intr", QLC_SIZEOF(stats.spurious_intr),
60 	 QLC_OFF(stats.spurious_intr)},
61 	{"mbx spurious intr", QLC_SIZEOF(stats.mbx_spurious_intr),
62 	 QLC_OFF(stats.mbx_spurious_intr)},
63 };
64 
65 static const char qlcnic_device_gstrings_stats[][ETH_GSTRING_LEN] = {
66 	"tx unicast frames",
67 	"tx multicast frames",
68 	"tx broadcast frames",
69 	"tx dropped frames",
70 	"tx errors",
71 	"tx local frames",
72 	"tx numbytes",
73 	"rx unicast frames",
74 	"rx multicast frames",
75 	"rx broadcast frames",
76 	"rx dropped frames",
77 	"rx errors",
78 	"rx local frames",
79 	"rx numbytes",
80 };
81 
82 static const char qlcnic_83xx_tx_stats_strings[][ETH_GSTRING_LEN] = {
83 	"ctx_tx_bytes",
84 	"ctx_tx_pkts",
85 	"ctx_tx_errors",
86 	"ctx_tx_dropped_pkts",
87 	"ctx_tx_num_buffers",
88 };
89 
90 static const char qlcnic_83xx_mac_stats_strings[][ETH_GSTRING_LEN] = {
91 	"mac_tx_frames",
92 	"mac_tx_bytes",
93 	"mac_tx_mcast_pkts",
94 	"mac_tx_bcast_pkts",
95 	"mac_tx_pause_cnt",
96 	"mac_tx_ctrl_pkt",
97 	"mac_tx_lt_64b_pkts",
98 	"mac_tx_lt_127b_pkts",
99 	"mac_tx_lt_255b_pkts",
100 	"mac_tx_lt_511b_pkts",
101 	"mac_tx_lt_1023b_pkts",
102 	"mac_tx_lt_1518b_pkts",
103 	"mac_tx_gt_1518b_pkts",
104 	"mac_rx_frames",
105 	"mac_rx_bytes",
106 	"mac_rx_mcast_pkts",
107 	"mac_rx_bcast_pkts",
108 	"mac_rx_pause_cnt",
109 	"mac_rx_ctrl_pkt",
110 	"mac_rx_lt_64b_pkts",
111 	"mac_rx_lt_127b_pkts",
112 	"mac_rx_lt_255b_pkts",
113 	"mac_rx_lt_511b_pkts",
114 	"mac_rx_lt_1023b_pkts",
115 	"mac_rx_lt_1518b_pkts",
116 	"mac_rx_gt_1518b_pkts",
117 	"mac_rx_length_error",
118 	"mac_rx_length_small",
119 	"mac_rx_length_large",
120 	"mac_rx_jabber",
121 	"mac_rx_dropped",
122 	"mac_crc_error",
123 	"mac_align_error",
124 	"eswitch_frames",
125 	"eswitch_bytes",
126 	"eswitch_multicast_frames",
127 	"eswitch_broadcast_frames",
128 	"eswitch_unicast_frames",
129 	"eswitch_error_free_frames",
130 	"eswitch_error_free_bytes",
131 };
132 
133 #define QLCNIC_STATS_LEN	ARRAY_SIZE(qlcnic_gstrings_stats)
134 
135 static const char qlcnic_tx_queue_stats_strings[][ETH_GSTRING_LEN] = {
136 	"xmit_on",
137 	"xmit_off",
138 	"xmit_called",
139 	"xmit_finished",
140 	"tx_bytes",
141 };
142 
143 #define QLCNIC_TX_STATS_LEN	ARRAY_SIZE(qlcnic_tx_queue_stats_strings)
144 
145 static const char qlcnic_83xx_rx_stats_strings[][ETH_GSTRING_LEN] = {
146 	"ctx_rx_bytes",
147 	"ctx_rx_pkts",
148 	"ctx_lro_pkt_cnt",
149 	"ctx_ip_csum_error",
150 	"ctx_rx_pkts_wo_ctx",
151 	"ctx_rx_pkts_drop_wo_sds_on_card",
152 	"ctx_rx_pkts_drop_wo_sds_on_host",
153 	"ctx_rx_osized_pkts",
154 	"ctx_rx_pkts_dropped_wo_rds",
155 	"ctx_rx_unexpected_mcast_pkts",
156 	"ctx_invalid_mac_address",
157 	"ctx_rx_rds_ring_prim_attempted",
158 	"ctx_rx_rds_ring_prim_success",
159 	"ctx_num_lro_flows_added",
160 	"ctx_num_lro_flows_removed",
161 	"ctx_num_lro_flows_active",
162 	"ctx_pkts_dropped_unknown",
163 };
164 
165 static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = {
166 	"Register_Test_on_offline",
167 	"Link_Test_on_offline",
168 	"Interrupt_Test_offline",
169 	"Internal_Loopback_offline",
170 	"External_Loopback_offline",
171 	"EEPROM_Test_offline"
172 };
173 
174 #define QLCNIC_TEST_LEN	ARRAY_SIZE(qlcnic_gstrings_test)
175 
176 static inline int qlcnic_82xx_statistics(struct qlcnic_adapter *adapter)
177 {
178 	return ARRAY_SIZE(qlcnic_gstrings_stats) +
179 	       ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) +
180 	       QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings;
181 }
182 
183 static inline int qlcnic_83xx_statistics(struct qlcnic_adapter *adapter)
184 {
185 	return ARRAY_SIZE(qlcnic_gstrings_stats) +
186 	       ARRAY_SIZE(qlcnic_83xx_tx_stats_strings) +
187 	       ARRAY_SIZE(qlcnic_83xx_mac_stats_strings) +
188 	       ARRAY_SIZE(qlcnic_83xx_rx_stats_strings) +
189 	       QLCNIC_TX_STATS_LEN * adapter->drv_tx_rings;
190 }
191 
192 static int qlcnic_dev_statistics_len(struct qlcnic_adapter *adapter)
193 {
194 	int len = -1;
195 
196 	if (qlcnic_82xx_check(adapter)) {
197 		len = qlcnic_82xx_statistics(adapter);
198 		if (adapter->flags & QLCNIC_ESWITCH_ENABLED)
199 			len += ARRAY_SIZE(qlcnic_device_gstrings_stats);
200 	} else if (qlcnic_83xx_check(adapter)) {
201 		len = qlcnic_83xx_statistics(adapter);
202 	}
203 
204 	return len;
205 }
206 
207 #define	QLCNIC_TX_INTR_NOT_CONFIGURED	0X78563412
208 
209 #define QLCNIC_MAX_EEPROM_LEN   1024
210 
211 static const u32 diag_registers[] = {
212 	QLCNIC_CMDPEG_STATE,
213 	QLCNIC_RCVPEG_STATE,
214 	QLCNIC_FW_CAPABILITIES,
215 	QLCNIC_CRB_DRV_ACTIVE,
216 	QLCNIC_CRB_DEV_STATE,
217 	QLCNIC_CRB_DRV_STATE,
218 	QLCNIC_CRB_DRV_SCRATCH,
219 	QLCNIC_CRB_DEV_PARTITION_INFO,
220 	QLCNIC_CRB_DRV_IDC_VER,
221 	QLCNIC_PEG_ALIVE_COUNTER,
222 	QLCNIC_PEG_HALT_STATUS1,
223 	QLCNIC_PEG_HALT_STATUS2,
224 	-1
225 };
226 
227 
228 static const u32 ext_diag_registers[] = {
229 	CRB_XG_STATE_P3P,
230 	ISR_INT_STATE_REG,
231 	QLCNIC_CRB_PEG_NET_0+0x3c,
232 	QLCNIC_CRB_PEG_NET_1+0x3c,
233 	QLCNIC_CRB_PEG_NET_2+0x3c,
234 	QLCNIC_CRB_PEG_NET_4+0x3c,
235 	-1
236 };
237 
238 #define QLCNIC_MGMT_API_VERSION	3
239 #define QLCNIC_ETHTOOL_REGS_VER	4
240 
241 static inline int qlcnic_get_ring_regs_len(struct qlcnic_adapter *adapter)
242 {
243 	int ring_regs_cnt = (adapter->drv_tx_rings * 5) +
244 			    (adapter->max_rds_rings * 2) +
245 			    (adapter->drv_sds_rings * 3) + 5;
246 	return ring_regs_cnt * sizeof(u32);
247 }
248 
249 static int qlcnic_get_regs_len(struct net_device *dev)
250 {
251 	struct qlcnic_adapter *adapter = netdev_priv(dev);
252 	u32 len;
253 
254 	if (qlcnic_83xx_check(adapter))
255 		len = qlcnic_83xx_get_regs_len(adapter);
256 	else
257 		len = sizeof(ext_diag_registers) + sizeof(diag_registers);
258 
259 	len += ((QLCNIC_DEV_INFO_SIZE + 2) * sizeof(u32));
260 	len += qlcnic_get_ring_regs_len(adapter);
261 	return len;
262 }
263 
264 static int qlcnic_get_eeprom_len(struct net_device *dev)
265 {
266 	return QLCNIC_FLASH_TOTAL_SIZE;
267 }
268 
269 static void
270 qlcnic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
271 {
272 	struct qlcnic_adapter *adapter = netdev_priv(dev);
273 	u32 fw_major, fw_minor, fw_build;
274 	fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR);
275 	fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR);
276 	fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB);
277 	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
278 		"%d.%d.%d", fw_major, fw_minor, fw_build);
279 
280 	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
281 		sizeof(drvinfo->bus_info));
282 	strlcpy(drvinfo->driver, qlcnic_driver_name, sizeof(drvinfo->driver));
283 	strlcpy(drvinfo->version, QLCNIC_LINUX_VERSIONID,
284 		sizeof(drvinfo->version));
285 }
286 
287 static int qlcnic_82xx_get_link_ksettings(struct qlcnic_adapter *adapter,
288 					  struct ethtool_link_ksettings *ecmd)
289 {
290 	struct qlcnic_hardware_context *ahw = adapter->ahw;
291 	u32 speed, reg;
292 	int check_sfp_module = 0, err = 0;
293 	u16 pcifn = ahw->pci_func;
294 	u32 supported, advertising;
295 
296 	/* read which mode */
297 	if (adapter->ahw->port_type == QLCNIC_GBE) {
298 		supported = (SUPPORTED_10baseT_Half |
299 				   SUPPORTED_10baseT_Full |
300 				   SUPPORTED_100baseT_Half |
301 				   SUPPORTED_100baseT_Full |
302 				   SUPPORTED_1000baseT_Half |
303 				   SUPPORTED_1000baseT_Full);
304 
305 		advertising = (ADVERTISED_100baseT_Half |
306 				     ADVERTISED_100baseT_Full |
307 				     ADVERTISED_1000baseT_Half |
308 				     ADVERTISED_1000baseT_Full);
309 
310 		ecmd->base.speed = adapter->ahw->link_speed;
311 		ecmd->base.duplex = adapter->ahw->link_duplex;
312 		ecmd->base.autoneg = adapter->ahw->link_autoneg;
313 
314 	} else if (adapter->ahw->port_type == QLCNIC_XGBE) {
315 		u32 val = 0;
316 		val = QLCRD32(adapter, QLCNIC_PORT_MODE_ADDR, &err);
317 
318 		if (val == QLCNIC_PORT_MODE_802_3_AP) {
319 			supported = SUPPORTED_1000baseT_Full;
320 			advertising = ADVERTISED_1000baseT_Full;
321 		} else {
322 			supported = SUPPORTED_10000baseT_Full;
323 			advertising = ADVERTISED_10000baseT_Full;
324 		}
325 
326 		if (netif_running(adapter->netdev) && ahw->has_link_events) {
327 			if (ahw->linkup) {
328 				reg = QLCRD32(adapter,
329 					      P3P_LINK_SPEED_REG(pcifn), &err);
330 				speed = P3P_LINK_SPEED_VAL(pcifn, reg);
331 				ahw->link_speed = speed * P3P_LINK_SPEED_MHZ;
332 			}
333 
334 			ecmd->base.speed = ahw->link_speed;
335 			ecmd->base.autoneg = ahw->link_autoneg;
336 			ecmd->base.duplex = ahw->link_duplex;
337 			goto skip;
338 		}
339 
340 		ecmd->base.speed = SPEED_UNKNOWN;
341 		ecmd->base.duplex = DUPLEX_UNKNOWN;
342 		ecmd->base.autoneg = AUTONEG_DISABLE;
343 	} else
344 		return -EIO;
345 
346 skip:
347 	ecmd->base.phy_address = adapter->ahw->physical_port;
348 
349 	switch (adapter->ahw->board_type) {
350 	case QLCNIC_BRDTYPE_P3P_REF_QG:
351 	case QLCNIC_BRDTYPE_P3P_4_GB:
352 	case QLCNIC_BRDTYPE_P3P_4_GB_MM:
353 		supported |= SUPPORTED_Autoneg;
354 		advertising |= ADVERTISED_Autoneg;
355 		fallthrough;
356 	case QLCNIC_BRDTYPE_P3P_10G_CX4:
357 	case QLCNIC_BRDTYPE_P3P_10G_CX4_LP:
358 	case QLCNIC_BRDTYPE_P3P_10000_BASE_T:
359 		supported |= SUPPORTED_TP;
360 		advertising |= ADVERTISED_TP;
361 		ecmd->base.port = PORT_TP;
362 		ecmd->base.autoneg =  adapter->ahw->link_autoneg;
363 		break;
364 	case QLCNIC_BRDTYPE_P3P_IMEZ:
365 	case QLCNIC_BRDTYPE_P3P_XG_LOM:
366 	case QLCNIC_BRDTYPE_P3P_HMEZ:
367 		supported |= SUPPORTED_MII;
368 		advertising |= ADVERTISED_MII;
369 		ecmd->base.port = PORT_MII;
370 		ecmd->base.autoneg = AUTONEG_DISABLE;
371 		break;
372 	case QLCNIC_BRDTYPE_P3P_10G_SFP_PLUS:
373 	case QLCNIC_BRDTYPE_P3P_10G_SFP_CT:
374 	case QLCNIC_BRDTYPE_P3P_10G_SFP_QT:
375 		advertising |= ADVERTISED_TP;
376 		supported |= SUPPORTED_TP;
377 		check_sfp_module = netif_running(adapter->netdev) &&
378 				   ahw->has_link_events;
379 		fallthrough;
380 	case QLCNIC_BRDTYPE_P3P_10G_XFP:
381 		supported |= SUPPORTED_FIBRE;
382 		advertising |= ADVERTISED_FIBRE;
383 		ecmd->base.port = PORT_FIBRE;
384 		ecmd->base.autoneg = AUTONEG_DISABLE;
385 		break;
386 	case QLCNIC_BRDTYPE_P3P_10G_TP:
387 		if (adapter->ahw->port_type == QLCNIC_XGBE) {
388 			ecmd->base.autoneg = AUTONEG_DISABLE;
389 			supported |= (SUPPORTED_FIBRE | SUPPORTED_TP);
390 			advertising |=
391 				(ADVERTISED_FIBRE | ADVERTISED_TP);
392 			ecmd->base.port = PORT_FIBRE;
393 			check_sfp_module = netif_running(adapter->netdev) &&
394 					   ahw->has_link_events;
395 		} else {
396 			ecmd->base.autoneg = AUTONEG_ENABLE;
397 			supported |= (SUPPORTED_TP | SUPPORTED_Autoneg);
398 			advertising |=
399 				(ADVERTISED_TP | ADVERTISED_Autoneg);
400 			ecmd->base.port = PORT_TP;
401 		}
402 		break;
403 	default:
404 		dev_err(&adapter->pdev->dev, "Unsupported board model %d\n",
405 			adapter->ahw->board_type);
406 		return -EIO;
407 	}
408 
409 	if (check_sfp_module) {
410 		switch (adapter->ahw->module_type) {
411 		case LINKEVENT_MODULE_OPTICAL_UNKNOWN:
412 		case LINKEVENT_MODULE_OPTICAL_SRLR:
413 		case LINKEVENT_MODULE_OPTICAL_LRM:
414 		case LINKEVENT_MODULE_OPTICAL_SFP_1G:
415 			ecmd->base.port = PORT_FIBRE;
416 			break;
417 		case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE:
418 		case LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLELEN:
419 		case LINKEVENT_MODULE_TWINAX:
420 			ecmd->base.port = PORT_TP;
421 			break;
422 		default:
423 			ecmd->base.port = PORT_OTHER;
424 		}
425 	}
426 
427 	ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported,
428 						supported);
429 	ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising,
430 						advertising);
431 
432 	return 0;
433 }
434 
435 static int qlcnic_get_link_ksettings(struct net_device *dev,
436 				     struct ethtool_link_ksettings *ecmd)
437 {
438 	struct qlcnic_adapter *adapter = netdev_priv(dev);
439 
440 	if (qlcnic_82xx_check(adapter))
441 		return qlcnic_82xx_get_link_ksettings(adapter, ecmd);
442 	else if (qlcnic_83xx_check(adapter))
443 		return qlcnic_83xx_get_link_ksettings(adapter, ecmd);
444 
445 	return -EIO;
446 }
447 
448 
449 static int qlcnic_set_port_config(struct qlcnic_adapter *adapter,
450 				  const struct ethtool_link_ksettings *ecmd)
451 {
452 	u32 ret = 0, config = 0;
453 	/* read which mode */
454 	if (ecmd->base.duplex)
455 		config |= 0x1;
456 
457 	if (ecmd->base.autoneg)
458 		config |= 0x2;
459 
460 	switch (ecmd->base.speed) {
461 	case SPEED_10:
462 		config |= (0 << 8);
463 		break;
464 	case SPEED_100:
465 		config |= (1 << 8);
466 		break;
467 	case SPEED_1000:
468 		config |= (10 << 8);
469 		break;
470 	default:
471 		return -EIO;
472 	}
473 
474 	ret = qlcnic_fw_cmd_set_port(adapter, config);
475 
476 	if (ret == QLCNIC_RCODE_NOT_SUPPORTED)
477 		return -EOPNOTSUPP;
478 	else if (ret)
479 		return -EIO;
480 	return ret;
481 }
482 
483 static int qlcnic_set_link_ksettings(struct net_device *dev,
484 				     const struct ethtool_link_ksettings *ecmd)
485 {
486 	u32 ret = 0;
487 	struct qlcnic_adapter *adapter = netdev_priv(dev);
488 
489 	if (qlcnic_83xx_check(adapter))
490 		qlcnic_83xx_get_port_type(adapter);
491 
492 	if (adapter->ahw->port_type != QLCNIC_GBE)
493 		return -EOPNOTSUPP;
494 
495 	if (qlcnic_83xx_check(adapter))
496 		ret = qlcnic_83xx_set_link_ksettings(adapter, ecmd);
497 	else
498 		ret = qlcnic_set_port_config(adapter, ecmd);
499 
500 	if (!ret)
501 		return ret;
502 
503 	adapter->ahw->link_speed = ecmd->base.speed;
504 	adapter->ahw->link_duplex = ecmd->base.duplex;
505 	adapter->ahw->link_autoneg = ecmd->base.autoneg;
506 
507 	if (!netif_running(dev))
508 		return 0;
509 
510 	dev->netdev_ops->ndo_stop(dev);
511 	return dev->netdev_ops->ndo_open(dev);
512 }
513 
514 static int qlcnic_82xx_get_registers(struct qlcnic_adapter *adapter,
515 				     u32 *regs_buff)
516 {
517 	int i, j = 0, err = 0;
518 
519 	for (i = QLCNIC_DEV_INFO_SIZE + 1; diag_registers[j] != -1; j++, i++)
520 		regs_buff[i] = QLC_SHARED_REG_RD32(adapter, diag_registers[j]);
521 	j = 0;
522 	while (ext_diag_registers[j] != -1)
523 		regs_buff[i++] = QLCRD32(adapter, ext_diag_registers[j++],
524 					 &err);
525 	return i;
526 }
527 
528 static void
529 qlcnic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p)
530 {
531 	struct qlcnic_adapter *adapter = netdev_priv(dev);
532 	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
533 	struct qlcnic_host_sds_ring *sds_ring;
534 	struct qlcnic_host_rds_ring *rds_rings;
535 	struct qlcnic_host_tx_ring *tx_ring;
536 	u32 *regs_buff = p;
537 	int ring, i = 0;
538 
539 	memset(p, 0, qlcnic_get_regs_len(dev));
540 
541 	regs->version = (QLCNIC_ETHTOOL_REGS_VER << 24) |
542 		(adapter->ahw->revision_id << 16) | (adapter->pdev)->device;
543 
544 	regs_buff[0] = (0xcafe0000 | (QLCNIC_DEV_INFO_SIZE & 0xffff));
545 	regs_buff[1] = QLCNIC_MGMT_API_VERSION;
546 
547 	if (adapter->ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY)
548 		regs_buff[2] = adapter->ahw->max_vnic_func;
549 
550 	if (qlcnic_82xx_check(adapter))
551 		i = qlcnic_82xx_get_registers(adapter, regs_buff);
552 	else
553 		i = qlcnic_83xx_get_registers(adapter, regs_buff);
554 
555 	if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
556 		return;
557 
558 	/* Marker btw regs and TX ring count */
559 	regs_buff[i++] = 0xFFEFCDAB;
560 
561 	regs_buff[i++] = adapter->drv_tx_rings; /* No. of TX ring */
562 	for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
563 		tx_ring = &adapter->tx_ring[ring];
564 		regs_buff[i++] = le32_to_cpu(*(tx_ring->hw_consumer));
565 		regs_buff[i++] = tx_ring->sw_consumer;
566 		regs_buff[i++] = readl(tx_ring->crb_cmd_producer);
567 		regs_buff[i++] = tx_ring->producer;
568 		if (tx_ring->crb_intr_mask)
569 			regs_buff[i++] = readl(tx_ring->crb_intr_mask);
570 		else
571 			regs_buff[i++] = QLCNIC_TX_INTR_NOT_CONFIGURED;
572 	}
573 
574 	regs_buff[i++] = adapter->max_rds_rings; /* No. of RX ring */
575 	for (ring = 0; ring < adapter->max_rds_rings; ring++) {
576 		rds_rings = &recv_ctx->rds_rings[ring];
577 		regs_buff[i++] = readl(rds_rings->crb_rcv_producer);
578 		regs_buff[i++] = rds_rings->producer;
579 	}
580 
581 	regs_buff[i++] = adapter->drv_sds_rings; /* No. of SDS ring */
582 	for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
583 		sds_ring = &(recv_ctx->sds_rings[ring]);
584 		regs_buff[i++] = readl(sds_ring->crb_sts_consumer);
585 		regs_buff[i++] = sds_ring->consumer;
586 		regs_buff[i++] = readl(sds_ring->crb_intr_mask);
587 	}
588 }
589 
590 static u32 qlcnic_test_link(struct net_device *dev)
591 {
592 	struct qlcnic_adapter *adapter = netdev_priv(dev);
593 	int err = 0;
594 	u32 val;
595 
596 	if (qlcnic_83xx_check(adapter)) {
597 		val = qlcnic_83xx_test_link(adapter);
598 		return (val & 1) ? 0 : 1;
599 	}
600 	val = QLCRD32(adapter, CRB_XG_STATE_P3P, &err);
601 	if (err == -EIO)
602 		return err;
603 	val = XG_LINK_STATE_P3P(adapter->ahw->pci_func, val);
604 	return (val == XG_LINK_UP_P3P) ? 0 : 1;
605 }
606 
607 static int
608 qlcnic_get_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
609 		      u8 *bytes)
610 {
611 	struct qlcnic_adapter *adapter = netdev_priv(dev);
612 	int offset;
613 	int ret = -1;
614 
615 	if (qlcnic_83xx_check(adapter))
616 		return 0;
617 	if (eeprom->len == 0)
618 		return -EINVAL;
619 
620 	eeprom->magic = (adapter->pdev)->vendor |
621 			((adapter->pdev)->device << 16);
622 	offset = eeprom->offset;
623 
624 	if (qlcnic_82xx_check(adapter))
625 		ret = qlcnic_rom_fast_read_words(adapter, offset, bytes,
626 						 eeprom->len);
627 	if (ret < 0)
628 		return ret;
629 
630 	return 0;
631 }
632 
633 static void
634 qlcnic_get_ringparam(struct net_device *dev,
635 		struct ethtool_ringparam *ring)
636 {
637 	struct qlcnic_adapter *adapter = netdev_priv(dev);
638 
639 	ring->rx_pending = adapter->num_rxd;
640 	ring->rx_jumbo_pending = adapter->num_jumbo_rxd;
641 	ring->tx_pending = adapter->num_txd;
642 
643 	ring->rx_max_pending = adapter->max_rxd;
644 	ring->rx_jumbo_max_pending = adapter->max_jumbo_rxd;
645 	ring->tx_max_pending = MAX_CMD_DESCRIPTORS;
646 }
647 
648 static u32
649 qlcnic_validate_ringparam(u32 val, u32 min, u32 max, char *r_name)
650 {
651 	u32 num_desc;
652 	num_desc = max(val, min);
653 	num_desc = min(num_desc, max);
654 	num_desc = roundup_pow_of_two(num_desc);
655 
656 	if (val != num_desc) {
657 		printk(KERN_INFO "%s: setting %s ring size %d instead of %d\n",
658 		       qlcnic_driver_name, r_name, num_desc, val);
659 	}
660 
661 	return num_desc;
662 }
663 
664 static int
665 qlcnic_set_ringparam(struct net_device *dev,
666 		struct ethtool_ringparam *ring)
667 {
668 	struct qlcnic_adapter *adapter = netdev_priv(dev);
669 	u16 num_rxd, num_jumbo_rxd, num_txd;
670 
671 	if (ring->rx_mini_pending)
672 		return -EOPNOTSUPP;
673 
674 	num_rxd = qlcnic_validate_ringparam(ring->rx_pending,
675 			MIN_RCV_DESCRIPTORS, adapter->max_rxd, "rx");
676 
677 	num_jumbo_rxd = qlcnic_validate_ringparam(ring->rx_jumbo_pending,
678 			MIN_JUMBO_DESCRIPTORS, adapter->max_jumbo_rxd,
679 						"rx jumbo");
680 
681 	num_txd = qlcnic_validate_ringparam(ring->tx_pending,
682 			MIN_CMD_DESCRIPTORS, MAX_CMD_DESCRIPTORS, "tx");
683 
684 	if (num_rxd == adapter->num_rxd && num_txd == adapter->num_txd &&
685 			num_jumbo_rxd == adapter->num_jumbo_rxd)
686 		return 0;
687 
688 	adapter->num_rxd = num_rxd;
689 	adapter->num_jumbo_rxd = num_jumbo_rxd;
690 	adapter->num_txd = num_txd;
691 
692 	return qlcnic_reset_context(adapter);
693 }
694 
695 static int qlcnic_validate_ring_count(struct qlcnic_adapter *adapter,
696 				      u8 rx_ring, u8 tx_ring)
697 {
698 	if (rx_ring == 0 || tx_ring == 0)
699 		return -EINVAL;
700 
701 	if (rx_ring != 0) {
702 		if (rx_ring > adapter->max_sds_rings) {
703 			netdev_err(adapter->netdev,
704 				   "Invalid ring count, SDS ring count %d should not be greater than max %d driver sds rings.\n",
705 				   rx_ring, adapter->max_sds_rings);
706 			return -EINVAL;
707 		}
708 	}
709 
710 	 if (tx_ring != 0) {
711 		if (tx_ring > adapter->max_tx_rings) {
712 			netdev_err(adapter->netdev,
713 				   "Invalid ring count, Tx ring count %d should not be greater than max %d driver Tx rings.\n",
714 				   tx_ring, adapter->max_tx_rings);
715 			return -EINVAL;
716 		}
717 	}
718 
719 	return 0;
720 }
721 
722 static void qlcnic_get_channels(struct net_device *dev,
723 		struct ethtool_channels *channel)
724 {
725 	struct qlcnic_adapter *adapter = netdev_priv(dev);
726 
727 	channel->max_rx = adapter->max_sds_rings;
728 	channel->max_tx = adapter->max_tx_rings;
729 	channel->rx_count = adapter->drv_sds_rings;
730 	channel->tx_count = adapter->drv_tx_rings;
731 }
732 
733 static int qlcnic_set_channels(struct net_device *dev,
734 			       struct ethtool_channels *channel)
735 {
736 	struct qlcnic_adapter *adapter = netdev_priv(dev);
737 	int err;
738 
739 	if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
740 		netdev_err(dev, "No RSS/TSS support in non MSI-X mode\n");
741 		return -EINVAL;
742 	}
743 
744 	if (channel->other_count || channel->combined_count)
745 		return -EINVAL;
746 
747 	err = qlcnic_validate_ring_count(adapter, channel->rx_count,
748 					 channel->tx_count);
749 	if (err)
750 		return err;
751 
752 	if (adapter->drv_sds_rings != channel->rx_count) {
753 		err = qlcnic_validate_rings(adapter, channel->rx_count,
754 					    QLCNIC_RX_QUEUE);
755 		if (err) {
756 			netdev_err(dev, "Unable to configure %u SDS rings\n",
757 				   channel->rx_count);
758 			return err;
759 		}
760 		adapter->drv_rss_rings = channel->rx_count;
761 	}
762 
763 	if (adapter->drv_tx_rings != channel->tx_count) {
764 		err = qlcnic_validate_rings(adapter, channel->tx_count,
765 					    QLCNIC_TX_QUEUE);
766 		if (err) {
767 			netdev_err(dev, "Unable to configure %u Tx rings\n",
768 				   channel->tx_count);
769 			return err;
770 		}
771 		adapter->drv_tss_rings = channel->tx_count;
772 	}
773 
774 	adapter->flags |= QLCNIC_TSS_RSS;
775 
776 	err = qlcnic_setup_rings(adapter);
777 	netdev_info(dev, "Allocated %d SDS rings and %d Tx rings\n",
778 		    adapter->drv_sds_rings, adapter->drv_tx_rings);
779 
780 	return err;
781 }
782 
783 static void
784 qlcnic_get_pauseparam(struct net_device *netdev,
785 			  struct ethtool_pauseparam *pause)
786 {
787 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
788 	int port = adapter->ahw->physical_port;
789 	int err = 0;
790 	__u32 val;
791 
792 	if (qlcnic_83xx_check(adapter)) {
793 		qlcnic_83xx_get_pauseparam(adapter, pause);
794 		return;
795 	}
796 	if (adapter->ahw->port_type == QLCNIC_GBE) {
797 		if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS))
798 			return;
799 		/* get flow control settings */
800 		val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err);
801 		if (err == -EIO)
802 			return;
803 		pause->rx_pause = qlcnic_gb_get_rx_flowctl(val);
804 		val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err);
805 		if (err == -EIO)
806 			return;
807 		switch (port) {
808 		case 0:
809 			pause->tx_pause = !(qlcnic_gb_get_gb0_mask(val));
810 			break;
811 		case 1:
812 			pause->tx_pause = !(qlcnic_gb_get_gb1_mask(val));
813 			break;
814 		case 2:
815 			pause->tx_pause = !(qlcnic_gb_get_gb2_mask(val));
816 			break;
817 		case 3:
818 		default:
819 			pause->tx_pause = !(qlcnic_gb_get_gb3_mask(val));
820 			break;
821 		}
822 	} else if (adapter->ahw->port_type == QLCNIC_XGBE) {
823 		if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS))
824 			return;
825 		pause->rx_pause = 1;
826 		val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err);
827 		if (err == -EIO)
828 			return;
829 		if (port == 0)
830 			pause->tx_pause = !(qlcnic_xg_get_xg0_mask(val));
831 		else
832 			pause->tx_pause = !(qlcnic_xg_get_xg1_mask(val));
833 	} else {
834 		dev_err(&netdev->dev, "Unknown board type: %x\n",
835 					adapter->ahw->port_type);
836 	}
837 }
838 
839 static int
840 qlcnic_set_pauseparam(struct net_device *netdev,
841 			  struct ethtool_pauseparam *pause)
842 {
843 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
844 	int port = adapter->ahw->physical_port;
845 	int err = 0;
846 	__u32 val;
847 
848 	if (qlcnic_83xx_check(adapter))
849 		return qlcnic_83xx_set_pauseparam(adapter, pause);
850 
851 	/* read mode */
852 	if (adapter->ahw->port_type == QLCNIC_GBE) {
853 		if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS))
854 			return -EIO;
855 		/* set flow control */
856 		val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err);
857 		if (err == -EIO)
858 			return err;
859 
860 		if (pause->rx_pause)
861 			qlcnic_gb_rx_flowctl(val);
862 		else
863 			qlcnic_gb_unset_rx_flowctl(val);
864 
865 		QLCWR32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port),
866 				val);
867 		QLCWR32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), val);
868 		/* set autoneg */
869 		val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err);
870 		if (err == -EIO)
871 			return err;
872 		switch (port) {
873 		case 0:
874 			if (pause->tx_pause)
875 				qlcnic_gb_unset_gb0_mask(val);
876 			else
877 				qlcnic_gb_set_gb0_mask(val);
878 			break;
879 		case 1:
880 			if (pause->tx_pause)
881 				qlcnic_gb_unset_gb1_mask(val);
882 			else
883 				qlcnic_gb_set_gb1_mask(val);
884 			break;
885 		case 2:
886 			if (pause->tx_pause)
887 				qlcnic_gb_unset_gb2_mask(val);
888 			else
889 				qlcnic_gb_set_gb2_mask(val);
890 			break;
891 		case 3:
892 		default:
893 			if (pause->tx_pause)
894 				qlcnic_gb_unset_gb3_mask(val);
895 			else
896 				qlcnic_gb_set_gb3_mask(val);
897 			break;
898 		}
899 		QLCWR32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, val);
900 	} else if (adapter->ahw->port_type == QLCNIC_XGBE) {
901 		if (!pause->rx_pause || pause->autoneg)
902 			return -EOPNOTSUPP;
903 
904 		if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS))
905 			return -EIO;
906 
907 		val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err);
908 		if (err == -EIO)
909 			return err;
910 		if (port == 0) {
911 			if (pause->tx_pause)
912 				qlcnic_xg_unset_xg0_mask(val);
913 			else
914 				qlcnic_xg_set_xg0_mask(val);
915 		} else {
916 			if (pause->tx_pause)
917 				qlcnic_xg_unset_xg1_mask(val);
918 			else
919 				qlcnic_xg_set_xg1_mask(val);
920 		}
921 		QLCWR32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, val);
922 	} else {
923 		dev_err(&netdev->dev, "Unknown board type: %x\n",
924 				adapter->ahw->port_type);
925 	}
926 	return 0;
927 }
928 
929 static int qlcnic_reg_test(struct net_device *dev)
930 {
931 	struct qlcnic_adapter *adapter = netdev_priv(dev);
932 	u32 data_read;
933 	int err = 0;
934 
935 	if (qlcnic_83xx_check(adapter))
936 		return qlcnic_83xx_reg_test(adapter);
937 
938 	data_read = QLCRD32(adapter, QLCNIC_PCIX_PH_REG(0), &err);
939 	if (err == -EIO)
940 		return err;
941 	if ((data_read & 0xffff) != adapter->pdev->vendor)
942 		return 1;
943 
944 	return 0;
945 }
946 
947 static int qlcnic_eeprom_test(struct net_device *dev)
948 {
949 	struct qlcnic_adapter *adapter = netdev_priv(dev);
950 
951 	if (qlcnic_82xx_check(adapter))
952 		return 0;
953 
954 	return qlcnic_83xx_flash_test(adapter);
955 }
956 
957 static int qlcnic_get_sset_count(struct net_device *dev, int sset)
958 {
959 
960 	struct qlcnic_adapter *adapter = netdev_priv(dev);
961 	switch (sset) {
962 	case ETH_SS_TEST:
963 		return QLCNIC_TEST_LEN;
964 	case ETH_SS_STATS:
965 		return qlcnic_dev_statistics_len(adapter);
966 	default:
967 		return -EOPNOTSUPP;
968 	}
969 }
970 
971 static int qlcnic_irq_test(struct net_device *netdev)
972 {
973 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
974 	struct qlcnic_hardware_context *ahw = adapter->ahw;
975 	struct qlcnic_cmd_args cmd;
976 	int ret, drv_sds_rings = adapter->drv_sds_rings;
977 	int drv_tx_rings = adapter->drv_tx_rings;
978 
979 	if (qlcnic_83xx_check(adapter))
980 		return qlcnic_83xx_interrupt_test(netdev);
981 
982 	if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
983 		return -EIO;
984 
985 	ret = qlcnic_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST);
986 	if (ret)
987 		goto clear_diag_irq;
988 
989 	ahw->diag_cnt = 0;
990 	ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST);
991 	if (ret)
992 		goto free_diag_res;
993 
994 	cmd.req.arg[1] = ahw->pci_func;
995 	ret = qlcnic_issue_cmd(adapter, &cmd);
996 	if (ret)
997 		goto done;
998 
999 	usleep_range(1000, 12000);
1000 	ret = !ahw->diag_cnt;
1001 
1002 done:
1003 	qlcnic_free_mbx_args(&cmd);
1004 
1005 free_diag_res:
1006 	qlcnic_diag_free_res(netdev, drv_sds_rings);
1007 
1008 clear_diag_irq:
1009 	adapter->drv_sds_rings = drv_sds_rings;
1010 	adapter->drv_tx_rings = drv_tx_rings;
1011 	clear_bit(__QLCNIC_RESETTING, &adapter->state);
1012 
1013 	return ret;
1014 }
1015 
1016 #define QLCNIC_ILB_PKT_SIZE		64
1017 #define QLCNIC_NUM_ILB_PKT		16
1018 #define QLCNIC_ILB_MAX_RCV_LOOP		10
1019 #define QLCNIC_LB_PKT_POLL_DELAY_MSEC	1
1020 #define QLCNIC_LB_PKT_POLL_COUNT	20
1021 
1022 static void qlcnic_create_loopback_buff(unsigned char *data, u8 mac[])
1023 {
1024 	unsigned char random_data[] = {0xa8, 0x06, 0x45, 0x00};
1025 
1026 	memset(data, 0x4e, QLCNIC_ILB_PKT_SIZE);
1027 
1028 	memcpy(data, mac, ETH_ALEN);
1029 	memcpy(data + ETH_ALEN, mac, ETH_ALEN);
1030 
1031 	memcpy(data + 2 * ETH_ALEN, random_data, sizeof(random_data));
1032 }
1033 
1034 int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[])
1035 {
1036 	unsigned char buff[QLCNIC_ILB_PKT_SIZE];
1037 	qlcnic_create_loopback_buff(buff, mac);
1038 	return memcmp(data, buff, QLCNIC_ILB_PKT_SIZE);
1039 }
1040 
1041 int qlcnic_do_lb_test(struct qlcnic_adapter *adapter, u8 mode)
1042 {
1043 	struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
1044 	struct qlcnic_host_sds_ring *sds_ring = &recv_ctx->sds_rings[0];
1045 	struct sk_buff *skb;
1046 	int i, loop, cnt = 0;
1047 
1048 	for (i = 0; i < QLCNIC_NUM_ILB_PKT; i++) {
1049 		skb = netdev_alloc_skb(adapter->netdev, QLCNIC_ILB_PKT_SIZE);
1050 		if (!skb)
1051 			break;
1052 		qlcnic_create_loopback_buff(skb->data, adapter->mac_addr);
1053 		skb_put(skb, QLCNIC_ILB_PKT_SIZE);
1054 		adapter->ahw->diag_cnt = 0;
1055 		qlcnic_xmit_frame(skb, adapter->netdev);
1056 		loop = 0;
1057 
1058 		do {
1059 			msleep(QLCNIC_LB_PKT_POLL_DELAY_MSEC);
1060 			qlcnic_process_rcv_ring_diag(sds_ring);
1061 			if (loop++ > QLCNIC_LB_PKT_POLL_COUNT)
1062 				break;
1063 		} while (!adapter->ahw->diag_cnt);
1064 
1065 		dev_kfree_skb_any(skb);
1066 
1067 		if (!adapter->ahw->diag_cnt)
1068 			dev_warn(&adapter->pdev->dev,
1069 				 "LB Test: packet #%d was not received\n",
1070 				 i + 1);
1071 		else
1072 			cnt++;
1073 	}
1074 	if (cnt != i) {
1075 		dev_err(&adapter->pdev->dev,
1076 			"LB Test: failed, TX[%d], RX[%d]\n", i, cnt);
1077 		if (mode != QLCNIC_ILB_MODE)
1078 			dev_warn(&adapter->pdev->dev,
1079 				 "WARNING: Please check loopback cable\n");
1080 		return -1;
1081 	}
1082 	return 0;
1083 }
1084 
1085 static int qlcnic_loopback_test(struct net_device *netdev, u8 mode)
1086 {
1087 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
1088 	int drv_tx_rings = adapter->drv_tx_rings;
1089 	int drv_sds_rings = adapter->drv_sds_rings;
1090 	struct qlcnic_host_sds_ring *sds_ring;
1091 	struct qlcnic_hardware_context *ahw = adapter->ahw;
1092 	int loop = 0;
1093 	int ret;
1094 
1095 	if (qlcnic_83xx_check(adapter))
1096 		return qlcnic_83xx_loopback_test(netdev, mode);
1097 
1098 	if (!(ahw->capabilities & QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK)) {
1099 		dev_info(&adapter->pdev->dev,
1100 			 "Firmware do not support loopback test\n");
1101 		return -EOPNOTSUPP;
1102 	}
1103 
1104 	dev_warn(&adapter->pdev->dev, "%s loopback test in progress\n",
1105 		 mode == QLCNIC_ILB_MODE ? "internal" : "external");
1106 	if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1107 		dev_warn(&adapter->pdev->dev,
1108 			 "Loopback test not supported in nonprivileged mode\n");
1109 		return 0;
1110 	}
1111 
1112 	if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
1113 		return -EBUSY;
1114 
1115 	ret = qlcnic_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST);
1116 	if (ret)
1117 		goto clear_it;
1118 
1119 	sds_ring = &adapter->recv_ctx->sds_rings[0];
1120 	ret = qlcnic_set_lb_mode(adapter, mode);
1121 	if (ret)
1122 		goto free_res;
1123 
1124 	ahw->diag_cnt = 0;
1125 	do {
1126 		msleep(500);
1127 		qlcnic_process_rcv_ring_diag(sds_ring);
1128 		if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) {
1129 			netdev_info(netdev,
1130 				    "Firmware didn't sent link up event to loopback request\n");
1131 			ret = -ETIMEDOUT;
1132 			goto free_res;
1133 		} else if (adapter->ahw->diag_cnt) {
1134 			ret = adapter->ahw->diag_cnt;
1135 			goto free_res;
1136 		}
1137 	} while (!QLCNIC_IS_LB_CONFIGURED(ahw->loopback_state));
1138 
1139 	ret = qlcnic_do_lb_test(adapter, mode);
1140 
1141 	qlcnic_clear_lb_mode(adapter, mode);
1142 
1143  free_res:
1144 	qlcnic_diag_free_res(netdev, drv_sds_rings);
1145 
1146  clear_it:
1147 	adapter->drv_sds_rings = drv_sds_rings;
1148 	adapter->drv_tx_rings = drv_tx_rings;
1149 	clear_bit(__QLCNIC_RESETTING, &adapter->state);
1150 	return ret;
1151 }
1152 
1153 static void
1154 qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
1155 		     u64 *data)
1156 {
1157 	memset(data, 0, sizeof(u64) * QLCNIC_TEST_LEN);
1158 
1159 	data[0] = qlcnic_reg_test(dev);
1160 	if (data[0])
1161 		eth_test->flags |= ETH_TEST_FL_FAILED;
1162 
1163 	data[1] = (u64) qlcnic_test_link(dev);
1164 	if (data[1])
1165 		eth_test->flags |= ETH_TEST_FL_FAILED;
1166 
1167 	if (eth_test->flags & ETH_TEST_FL_OFFLINE) {
1168 		data[2] = qlcnic_irq_test(dev);
1169 		if (data[2])
1170 			eth_test->flags |= ETH_TEST_FL_FAILED;
1171 
1172 		data[3] = qlcnic_loopback_test(dev, QLCNIC_ILB_MODE);
1173 		if (data[3])
1174 			eth_test->flags |= ETH_TEST_FL_FAILED;
1175 
1176 		if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) {
1177 			data[4] = qlcnic_loopback_test(dev, QLCNIC_ELB_MODE);
1178 			if (data[4])
1179 				eth_test->flags |= ETH_TEST_FL_FAILED;
1180 			eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
1181 		}
1182 
1183 		data[5] = qlcnic_eeprom_test(dev);
1184 		if (data[5])
1185 			eth_test->flags |= ETH_TEST_FL_FAILED;
1186 	}
1187 }
1188 
1189 static void
1190 qlcnic_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1191 {
1192 	struct qlcnic_adapter *adapter = netdev_priv(dev);
1193 	int index, i, num_stats;
1194 
1195 	switch (stringset) {
1196 	case ETH_SS_TEST:
1197 		memcpy(data, *qlcnic_gstrings_test,
1198 		       QLCNIC_TEST_LEN * ETH_GSTRING_LEN);
1199 		break;
1200 	case ETH_SS_STATS:
1201 		num_stats = ARRAY_SIZE(qlcnic_tx_queue_stats_strings);
1202 		for (i = 0; i < adapter->drv_tx_rings; i++) {
1203 			for (index = 0; index < num_stats; index++) {
1204 				sprintf(data, "tx_queue_%d %s", i,
1205 					qlcnic_tx_queue_stats_strings[index]);
1206 				data += ETH_GSTRING_LEN;
1207 			}
1208 		}
1209 
1210 		for (index = 0; index < QLCNIC_STATS_LEN; index++) {
1211 			memcpy(data + index * ETH_GSTRING_LEN,
1212 			       qlcnic_gstrings_stats[index].stat_string,
1213 			       ETH_GSTRING_LEN);
1214 		}
1215 
1216 		if (qlcnic_83xx_check(adapter)) {
1217 			num_stats = ARRAY_SIZE(qlcnic_83xx_tx_stats_strings);
1218 			for (i = 0; i < num_stats; i++, index++)
1219 				memcpy(data + index * ETH_GSTRING_LEN,
1220 				       qlcnic_83xx_tx_stats_strings[i],
1221 				       ETH_GSTRING_LEN);
1222 			num_stats = ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
1223 			for (i = 0; i < num_stats; i++, index++)
1224 				memcpy(data + index * ETH_GSTRING_LEN,
1225 				       qlcnic_83xx_mac_stats_strings[i],
1226 				       ETH_GSTRING_LEN);
1227 			num_stats = ARRAY_SIZE(qlcnic_83xx_rx_stats_strings);
1228 			for (i = 0; i < num_stats; i++, index++)
1229 				memcpy(data + index * ETH_GSTRING_LEN,
1230 				       qlcnic_83xx_rx_stats_strings[i],
1231 				       ETH_GSTRING_LEN);
1232 			return;
1233 		} else {
1234 			num_stats = ARRAY_SIZE(qlcnic_83xx_mac_stats_strings);
1235 			for (i = 0; i < num_stats; i++, index++)
1236 				memcpy(data + index * ETH_GSTRING_LEN,
1237 				       qlcnic_83xx_mac_stats_strings[i],
1238 				       ETH_GSTRING_LEN);
1239 		}
1240 		if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1241 			return;
1242 		num_stats = ARRAY_SIZE(qlcnic_device_gstrings_stats);
1243 		for (i = 0; i < num_stats; index++, i++) {
1244 			memcpy(data + index * ETH_GSTRING_LEN,
1245 			       qlcnic_device_gstrings_stats[i],
1246 			       ETH_GSTRING_LEN);
1247 		}
1248 	}
1249 }
1250 
1251 static u64 *qlcnic_fill_stats(u64 *data, void *stats, int type)
1252 {
1253 	if (type == QLCNIC_MAC_STATS) {
1254 		struct qlcnic_mac_statistics *mac_stats =
1255 					(struct qlcnic_mac_statistics *)stats;
1256 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_frames);
1257 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_bytes);
1258 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_mcast_pkts);
1259 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_bcast_pkts);
1260 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_pause_cnt);
1261 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_ctrl_pkt);
1262 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_64b_pkts);
1263 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_127b_pkts);
1264 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_255b_pkts);
1265 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_511b_pkts);
1266 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_1023b_pkts);
1267 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_lt_1518b_pkts);
1268 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_tx_gt_1518b_pkts);
1269 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_frames);
1270 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_bytes);
1271 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_mcast_pkts);
1272 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_bcast_pkts);
1273 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_pause_cnt);
1274 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_ctrl_pkt);
1275 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_64b_pkts);
1276 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_127b_pkts);
1277 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_255b_pkts);
1278 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_511b_pkts);
1279 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_1023b_pkts);
1280 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_lt_1518b_pkts);
1281 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_gt_1518b_pkts);
1282 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_error);
1283 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_small);
1284 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_length_large);
1285 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_jabber);
1286 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_dropped);
1287 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_rx_crc_error);
1288 		*data++ = QLCNIC_FILL_STATS(mac_stats->mac_align_error);
1289 	} else if (type == QLCNIC_ESW_STATS) {
1290 		struct __qlcnic_esw_statistics *esw_stats =
1291 				(struct __qlcnic_esw_statistics *)stats;
1292 		*data++ = QLCNIC_FILL_STATS(esw_stats->unicast_frames);
1293 		*data++ = QLCNIC_FILL_STATS(esw_stats->multicast_frames);
1294 		*data++ = QLCNIC_FILL_STATS(esw_stats->broadcast_frames);
1295 		*data++ = QLCNIC_FILL_STATS(esw_stats->dropped_frames);
1296 		*data++ = QLCNIC_FILL_STATS(esw_stats->errors);
1297 		*data++ = QLCNIC_FILL_STATS(esw_stats->local_frames);
1298 		*data++ = QLCNIC_FILL_STATS(esw_stats->numbytes);
1299 	}
1300 	return data;
1301 }
1302 
1303 void qlcnic_update_stats(struct qlcnic_adapter *adapter)
1304 {
1305 	struct qlcnic_tx_queue_stats tx_stats;
1306 	struct qlcnic_host_tx_ring *tx_ring;
1307 	int ring;
1308 
1309 	memset(&tx_stats, 0, sizeof(tx_stats));
1310 	for (ring = 0; ring < adapter->drv_tx_rings; ring++) {
1311 		tx_ring = &adapter->tx_ring[ring];
1312 		tx_stats.xmit_on += tx_ring->tx_stats.xmit_on;
1313 		tx_stats.xmit_off += tx_ring->tx_stats.xmit_off;
1314 		tx_stats.xmit_called += tx_ring->tx_stats.xmit_called;
1315 		tx_stats.xmit_finished += tx_ring->tx_stats.xmit_finished;
1316 		tx_stats.tx_bytes += tx_ring->tx_stats.tx_bytes;
1317 	}
1318 
1319 	adapter->stats.xmit_on = tx_stats.xmit_on;
1320 	adapter->stats.xmit_off = tx_stats.xmit_off;
1321 	adapter->stats.xmitcalled = tx_stats.xmit_called;
1322 	adapter->stats.xmitfinished = tx_stats.xmit_finished;
1323 	adapter->stats.txbytes = tx_stats.tx_bytes;
1324 }
1325 
1326 static u64 *qlcnic_fill_tx_queue_stats(u64 *data, void *stats)
1327 {
1328 	struct qlcnic_host_tx_ring *tx_ring;
1329 
1330 	tx_ring = (struct qlcnic_host_tx_ring *)stats;
1331 
1332 	*data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_on);
1333 	*data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_off);
1334 	*data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_called);
1335 	*data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.xmit_finished);
1336 	*data++ = QLCNIC_FILL_STATS(tx_ring->tx_stats.tx_bytes);
1337 
1338 	return data;
1339 }
1340 
1341 static void qlcnic_get_ethtool_stats(struct net_device *dev,
1342 				     struct ethtool_stats *stats, u64 *data)
1343 {
1344 	struct qlcnic_adapter *adapter = netdev_priv(dev);
1345 	struct qlcnic_host_tx_ring *tx_ring;
1346 	struct qlcnic_esw_statistics port_stats;
1347 	struct qlcnic_mac_statistics mac_stats;
1348 	int index, ret, length, size, ring;
1349 	char *p;
1350 
1351 	memset(data, 0, stats->n_stats * sizeof(u64));
1352 
1353 	for (ring = 0, index = 0; ring < adapter->drv_tx_rings; ring++) {
1354 		if (adapter->is_up == QLCNIC_ADAPTER_UP_MAGIC) {
1355 			tx_ring = &adapter->tx_ring[ring];
1356 			data = qlcnic_fill_tx_queue_stats(data, tx_ring);
1357 			qlcnic_update_stats(adapter);
1358 		} else {
1359 			data += QLCNIC_TX_STATS_LEN;
1360 		}
1361 	}
1362 
1363 	length = QLCNIC_STATS_LEN;
1364 	for (index = 0; index < length; index++) {
1365 		p = (char *)adapter + qlcnic_gstrings_stats[index].stat_offset;
1366 		size = qlcnic_gstrings_stats[index].sizeof_stat;
1367 		*data++ = (size == sizeof(u64)) ? (*(u64 *)p) : ((*(u32 *)p));
1368 	}
1369 
1370 	if (qlcnic_83xx_check(adapter)) {
1371 		if (adapter->ahw->linkup)
1372 			qlcnic_83xx_get_stats(adapter, data);
1373 		return;
1374 	} else {
1375 		/* Retrieve MAC statistics from firmware */
1376 		memset(&mac_stats, 0, sizeof(struct qlcnic_mac_statistics));
1377 		qlcnic_get_mac_stats(adapter, &mac_stats);
1378 		data = qlcnic_fill_stats(data, &mac_stats, QLCNIC_MAC_STATS);
1379 	}
1380 
1381 	if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
1382 		return;
1383 
1384 	memset(&port_stats, 0, sizeof(struct qlcnic_esw_statistics));
1385 	ret = qlcnic_get_port_stats(adapter, adapter->ahw->pci_func,
1386 			QLCNIC_QUERY_RX_COUNTER, &port_stats.rx);
1387 	if (ret)
1388 		return;
1389 
1390 	data = qlcnic_fill_stats(data, &port_stats.rx, QLCNIC_ESW_STATS);
1391 	ret = qlcnic_get_port_stats(adapter, adapter->ahw->pci_func,
1392 			QLCNIC_QUERY_TX_COUNTER, &port_stats.tx);
1393 	if (ret)
1394 		return;
1395 
1396 	qlcnic_fill_stats(data, &port_stats.tx, QLCNIC_ESW_STATS);
1397 }
1398 
1399 static int qlcnic_set_led(struct net_device *dev,
1400 			  enum ethtool_phys_id_state state)
1401 {
1402 	struct qlcnic_adapter *adapter = netdev_priv(dev);
1403 	int drv_sds_rings = adapter->drv_sds_rings;
1404 	int err = -EIO, active = 1;
1405 
1406 	if (qlcnic_83xx_check(adapter))
1407 		return qlcnic_83xx_set_led(dev, state);
1408 
1409 	if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
1410 		netdev_warn(dev, "LED test not supported for non "
1411 				"privilege function\n");
1412 		return -EOPNOTSUPP;
1413 	}
1414 
1415 	switch (state) {
1416 	case ETHTOOL_ID_ACTIVE:
1417 		if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state))
1418 			return -EBUSY;
1419 
1420 		if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1421 			break;
1422 
1423 		if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
1424 			if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST))
1425 				break;
1426 			set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
1427 		}
1428 
1429 		if (adapter->nic_ops->config_led(adapter, 1, 0xf) == 0) {
1430 			err = 0;
1431 			break;
1432 		}
1433 
1434 		dev_err(&adapter->pdev->dev,
1435 			"Failed to set LED blink state.\n");
1436 		break;
1437 
1438 	case ETHTOOL_ID_INACTIVE:
1439 		active = 0;
1440 
1441 		if (test_bit(__QLCNIC_RESETTING, &adapter->state))
1442 			break;
1443 
1444 		if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
1445 			if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST))
1446 				break;
1447 			set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
1448 		}
1449 
1450 		if (adapter->nic_ops->config_led(adapter, 0, 0xf))
1451 			dev_err(&adapter->pdev->dev,
1452 				"Failed to reset LED blink state.\n");
1453 
1454 		break;
1455 
1456 	default:
1457 		return -EINVAL;
1458 	}
1459 
1460 	if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state))
1461 		qlcnic_diag_free_res(dev, drv_sds_rings);
1462 
1463 	if (!active || err)
1464 		clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
1465 
1466 	return err;
1467 }
1468 
1469 static void
1470 qlcnic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1471 {
1472 	struct qlcnic_adapter *adapter = netdev_priv(dev);
1473 	u32 wol_cfg;
1474 	int err = 0;
1475 
1476 	if (qlcnic_83xx_check(adapter))
1477 		return;
1478 	wol->supported = 0;
1479 	wol->wolopts = 0;
1480 
1481 	wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err);
1482 	if (err == -EIO)
1483 		return;
1484 	if (wol_cfg & (1UL << adapter->portnum))
1485 		wol->supported |= WAKE_MAGIC;
1486 
1487 	wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err);
1488 	if (wol_cfg & (1UL << adapter->portnum))
1489 		wol->wolopts |= WAKE_MAGIC;
1490 }
1491 
1492 static int
1493 qlcnic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1494 {
1495 	struct qlcnic_adapter *adapter = netdev_priv(dev);
1496 	u32 wol_cfg;
1497 	int err = 0;
1498 
1499 	if (qlcnic_83xx_check(adapter))
1500 		return -EOPNOTSUPP;
1501 	if (wol->wolopts & ~WAKE_MAGIC)
1502 		return -EINVAL;
1503 
1504 	wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err);
1505 	if (err == -EIO)
1506 		return err;
1507 	if (!(wol_cfg & (1 << adapter->portnum)))
1508 		return -EOPNOTSUPP;
1509 
1510 	wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err);
1511 	if (err == -EIO)
1512 		return err;
1513 	if (wol->wolopts & WAKE_MAGIC)
1514 		wol_cfg |= 1UL << adapter->portnum;
1515 	else
1516 		wol_cfg &= ~(1UL << adapter->portnum);
1517 
1518 	QLCWR32(adapter, QLCNIC_WOL_CONFIG, wol_cfg);
1519 
1520 	return 0;
1521 }
1522 
1523 /*
1524  * Set the coalescing parameters. Currently only normal is supported.
1525  * If rx_coalesce_usecs == 0 or rx_max_coalesced_frames == 0 then set the
1526  * firmware coalescing to default.
1527  */
1528 static int qlcnic_set_intr_coalesce(struct net_device *netdev,
1529 			struct ethtool_coalesce *ethcoal)
1530 {
1531 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
1532 	int err;
1533 
1534 	if (!test_bit(__QLCNIC_DEV_UP, &adapter->state))
1535 		return -EINVAL;
1536 
1537 	/*
1538 	* Return Error if unsupported values or
1539 	* unsupported parameters are set.
1540 	*/
1541 	if (ethcoal->rx_coalesce_usecs > 0xffff ||
1542 	    ethcoal->rx_max_coalesced_frames > 0xffff ||
1543 	    ethcoal->tx_coalesce_usecs > 0xffff ||
1544 	    ethcoal->tx_max_coalesced_frames > 0xffff)
1545 		return -EINVAL;
1546 
1547 	err = qlcnic_config_intr_coalesce(adapter, ethcoal);
1548 
1549 	return err;
1550 }
1551 
1552 static int qlcnic_get_intr_coalesce(struct net_device *netdev,
1553 			struct ethtool_coalesce *ethcoal)
1554 {
1555 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
1556 
1557 	if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC)
1558 		return -EINVAL;
1559 
1560 	ethcoal->rx_coalesce_usecs = adapter->ahw->coal.rx_time_us;
1561 	ethcoal->rx_max_coalesced_frames = adapter->ahw->coal.rx_packets;
1562 	ethcoal->tx_coalesce_usecs = adapter->ahw->coal.tx_time_us;
1563 	ethcoal->tx_max_coalesced_frames = adapter->ahw->coal.tx_packets;
1564 
1565 	return 0;
1566 }
1567 
1568 static u32 qlcnic_get_msglevel(struct net_device *netdev)
1569 {
1570 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
1571 
1572 	return adapter->ahw->msg_enable;
1573 }
1574 
1575 static void qlcnic_set_msglevel(struct net_device *netdev, u32 msglvl)
1576 {
1577 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
1578 
1579 	adapter->ahw->msg_enable = msglvl;
1580 }
1581 
1582 int qlcnic_enable_fw_dump_state(struct qlcnic_adapter *adapter)
1583 {
1584 	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1585 	u32 val;
1586 
1587 	if (qlcnic_84xx_check(adapter)) {
1588 		if (qlcnic_83xx_lock_driver(adapter))
1589 			return -EBUSY;
1590 
1591 		val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
1592 		val &= ~QLC_83XX_IDC_DISABLE_FW_DUMP;
1593 		QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val);
1594 
1595 		qlcnic_83xx_unlock_driver(adapter);
1596 	} else {
1597 		fw_dump->enable = true;
1598 	}
1599 
1600 	dev_info(&adapter->pdev->dev, "FW dump enabled\n");
1601 
1602 	return 0;
1603 }
1604 
1605 static int qlcnic_disable_fw_dump_state(struct qlcnic_adapter *adapter)
1606 {
1607 	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1608 	u32 val;
1609 
1610 	if (qlcnic_84xx_check(adapter)) {
1611 		if (qlcnic_83xx_lock_driver(adapter))
1612 			return -EBUSY;
1613 
1614 		val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
1615 		val |= QLC_83XX_IDC_DISABLE_FW_DUMP;
1616 		QLCWRX(adapter->ahw, QLC_83XX_IDC_CTRL, val);
1617 
1618 		qlcnic_83xx_unlock_driver(adapter);
1619 	} else {
1620 		fw_dump->enable = false;
1621 	}
1622 
1623 	dev_info(&adapter->pdev->dev, "FW dump disabled\n");
1624 
1625 	return 0;
1626 }
1627 
1628 bool qlcnic_check_fw_dump_state(struct qlcnic_adapter *adapter)
1629 {
1630 	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1631 	bool state;
1632 	u32 val;
1633 
1634 	if (qlcnic_84xx_check(adapter)) {
1635 		val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
1636 		state = (val & QLC_83XX_IDC_DISABLE_FW_DUMP) ? false : true;
1637 	} else {
1638 		state = fw_dump->enable;
1639 	}
1640 
1641 	return state;
1642 }
1643 
1644 static int
1645 qlcnic_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
1646 {
1647 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
1648 	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1649 
1650 	if (!fw_dump->tmpl_hdr) {
1651 		netdev_err(adapter->netdev, "FW Dump not supported\n");
1652 		return -ENOTSUPP;
1653 	}
1654 
1655 	if (fw_dump->clr)
1656 		dump->len = fw_dump->tmpl_hdr_size + fw_dump->size;
1657 	else
1658 		dump->len = 0;
1659 
1660 	if (!qlcnic_check_fw_dump_state(adapter))
1661 		dump->flag = ETH_FW_DUMP_DISABLE;
1662 	else
1663 		dump->flag = fw_dump->cap_mask;
1664 
1665 	dump->version = adapter->fw_version;
1666 	return 0;
1667 }
1668 
1669 static int
1670 qlcnic_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
1671 			void *buffer)
1672 {
1673 	int i, copy_sz;
1674 	u32 *hdr_ptr;
1675 	__le32 *data;
1676 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
1677 	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1678 
1679 	if (!fw_dump->tmpl_hdr) {
1680 		netdev_err(netdev, "FW Dump not supported\n");
1681 		return -ENOTSUPP;
1682 	}
1683 
1684 	if (!fw_dump->clr) {
1685 		netdev_info(netdev, "Dump not available\n");
1686 		return -EINVAL;
1687 	}
1688 
1689 	/* Copy template header first */
1690 	copy_sz = fw_dump->tmpl_hdr_size;
1691 	hdr_ptr = (u32 *)fw_dump->tmpl_hdr;
1692 	data = buffer;
1693 	for (i = 0; i < copy_sz/sizeof(u32); i++)
1694 		*data++ = cpu_to_le32(*hdr_ptr++);
1695 
1696 	/* Copy captured dump data */
1697 	memcpy(buffer + copy_sz, fw_dump->data, fw_dump->size);
1698 	dump->len = copy_sz + fw_dump->size;
1699 	dump->flag = fw_dump->cap_mask;
1700 
1701 	/* Free dump area once data has been captured */
1702 	vfree(fw_dump->data);
1703 	fw_dump->data = NULL;
1704 	fw_dump->clr = 0;
1705 	netdev_info(netdev, "extracted the FW dump Successfully\n");
1706 	return 0;
1707 }
1708 
1709 static int qlcnic_set_dump_mask(struct qlcnic_adapter *adapter, u32 mask)
1710 {
1711 	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1712 	struct net_device *netdev = adapter->netdev;
1713 
1714 	if (!qlcnic_check_fw_dump_state(adapter)) {
1715 		netdev_info(netdev,
1716 			    "Can not change driver mask to 0x%x. FW dump not enabled\n",
1717 			    mask);
1718 		return -EOPNOTSUPP;
1719 	}
1720 
1721 	fw_dump->cap_mask = mask;
1722 
1723 	/* Store new capture mask in template header as well*/
1724 	qlcnic_store_cap_mask(adapter, fw_dump->tmpl_hdr, mask);
1725 
1726 	netdev_info(netdev, "Driver mask changed to: 0x%x\n", mask);
1727 	return 0;
1728 }
1729 
1730 static int
1731 qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val)
1732 {
1733 	struct qlcnic_adapter *adapter = netdev_priv(netdev);
1734 	struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump;
1735 	bool valid_mask = false;
1736 	int i, ret = 0;
1737 
1738 	switch (val->flag) {
1739 	case QLCNIC_FORCE_FW_DUMP_KEY:
1740 		if (!fw_dump->tmpl_hdr) {
1741 			netdev_err(netdev, "FW dump not supported\n");
1742 			ret = -EOPNOTSUPP;
1743 			break;
1744 		}
1745 
1746 		if (!qlcnic_check_fw_dump_state(adapter)) {
1747 			netdev_info(netdev, "FW dump not enabled\n");
1748 			ret = -EOPNOTSUPP;
1749 			break;
1750 		}
1751 
1752 		if (fw_dump->clr) {
1753 			netdev_info(netdev,
1754 				    "Previous dump not cleared, not forcing dump\n");
1755 			break;
1756 		}
1757 
1758 		netdev_info(netdev, "Forcing a FW dump\n");
1759 		qlcnic_dev_request_reset(adapter, val->flag);
1760 		break;
1761 	case QLCNIC_DISABLE_FW_DUMP:
1762 		if (!fw_dump->tmpl_hdr) {
1763 			netdev_err(netdev, "FW dump not supported\n");
1764 			ret = -EOPNOTSUPP;
1765 			break;
1766 		}
1767 
1768 		ret = qlcnic_disable_fw_dump_state(adapter);
1769 		break;
1770 
1771 	case QLCNIC_ENABLE_FW_DUMP:
1772 		if (!fw_dump->tmpl_hdr) {
1773 			netdev_err(netdev, "FW dump not supported\n");
1774 			ret = -EOPNOTSUPP;
1775 			break;
1776 		}
1777 
1778 		ret = qlcnic_enable_fw_dump_state(adapter);
1779 		break;
1780 
1781 	case QLCNIC_FORCE_FW_RESET:
1782 		netdev_info(netdev, "Forcing a FW reset\n");
1783 		qlcnic_dev_request_reset(adapter, val->flag);
1784 		adapter->flags &= ~QLCNIC_FW_RESET_OWNER;
1785 		break;
1786 
1787 	case QLCNIC_SET_QUIESCENT:
1788 	case QLCNIC_RESET_QUIESCENT:
1789 		if (test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state))
1790 			netdev_info(netdev, "Device is in non-operational state\n");
1791 		break;
1792 
1793 	default:
1794 		if (!fw_dump->tmpl_hdr) {
1795 			netdev_err(netdev, "FW dump not supported\n");
1796 			ret = -EOPNOTSUPP;
1797 			break;
1798 		}
1799 
1800 		for (i = 0; i < ARRAY_SIZE(qlcnic_fw_dump_level); i++) {
1801 			if (val->flag == qlcnic_fw_dump_level[i]) {
1802 				valid_mask = true;
1803 				break;
1804 			}
1805 		}
1806 
1807 		if (valid_mask) {
1808 			ret = qlcnic_set_dump_mask(adapter, val->flag);
1809 		} else {
1810 			netdev_info(netdev, "Invalid dump level: 0x%x\n",
1811 				    val->flag);
1812 			ret = -EINVAL;
1813 		}
1814 	}
1815 	return ret;
1816 }
1817 
1818 const struct ethtool_ops qlcnic_ethtool_ops = {
1819 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1820 				     ETHTOOL_COALESCE_MAX_FRAMES,
1821 	.get_drvinfo = qlcnic_get_drvinfo,
1822 	.get_regs_len = qlcnic_get_regs_len,
1823 	.get_regs = qlcnic_get_regs,
1824 	.get_link = ethtool_op_get_link,
1825 	.get_eeprom_len = qlcnic_get_eeprom_len,
1826 	.get_eeprom = qlcnic_get_eeprom,
1827 	.get_ringparam = qlcnic_get_ringparam,
1828 	.set_ringparam = qlcnic_set_ringparam,
1829 	.get_channels = qlcnic_get_channels,
1830 	.set_channels = qlcnic_set_channels,
1831 	.get_pauseparam = qlcnic_get_pauseparam,
1832 	.set_pauseparam = qlcnic_set_pauseparam,
1833 	.get_wol = qlcnic_get_wol,
1834 	.set_wol = qlcnic_set_wol,
1835 	.self_test = qlcnic_diag_test,
1836 	.get_strings = qlcnic_get_strings,
1837 	.get_ethtool_stats = qlcnic_get_ethtool_stats,
1838 	.get_sset_count = qlcnic_get_sset_count,
1839 	.get_coalesce = qlcnic_get_intr_coalesce,
1840 	.set_coalesce = qlcnic_set_intr_coalesce,
1841 	.set_phys_id = qlcnic_set_led,
1842 	.set_msglevel = qlcnic_set_msglevel,
1843 	.get_msglevel = qlcnic_get_msglevel,
1844 	.get_dump_flag = qlcnic_get_dump_flag,
1845 	.get_dump_data = qlcnic_get_dump_data,
1846 	.set_dump = qlcnic_set_dump,
1847 	.get_link_ksettings = qlcnic_get_link_ksettings,
1848 	.set_link_ksettings = qlcnic_set_link_ksettings,
1849 };
1850 
1851 const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops = {
1852 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1853 				     ETHTOOL_COALESCE_MAX_FRAMES,
1854 	.get_drvinfo		= qlcnic_get_drvinfo,
1855 	.get_regs_len		= qlcnic_get_regs_len,
1856 	.get_regs		= qlcnic_get_regs,
1857 	.get_link		= ethtool_op_get_link,
1858 	.get_eeprom_len		= qlcnic_get_eeprom_len,
1859 	.get_eeprom		= qlcnic_get_eeprom,
1860 	.get_ringparam		= qlcnic_get_ringparam,
1861 	.set_ringparam		= qlcnic_set_ringparam,
1862 	.get_channels		= qlcnic_get_channels,
1863 	.get_pauseparam		= qlcnic_get_pauseparam,
1864 	.get_wol		= qlcnic_get_wol,
1865 	.get_strings		= qlcnic_get_strings,
1866 	.get_ethtool_stats	= qlcnic_get_ethtool_stats,
1867 	.get_sset_count		= qlcnic_get_sset_count,
1868 	.get_coalesce		= qlcnic_get_intr_coalesce,
1869 	.set_coalesce		= qlcnic_set_intr_coalesce,
1870 	.set_msglevel		= qlcnic_set_msglevel,
1871 	.get_msglevel		= qlcnic_get_msglevel,
1872 	.get_link_ksettings	= qlcnic_get_link_ksettings,
1873 };
1874 
1875 const struct ethtool_ops qlcnic_ethtool_failed_ops = {
1876 	.get_drvinfo		= qlcnic_get_drvinfo,
1877 	.set_msglevel		= qlcnic_set_msglevel,
1878 	.get_msglevel		= qlcnic_get_msglevel,
1879 	.set_dump		= qlcnic_set_dump,
1880 	.get_link_ksettings	= qlcnic_get_link_ksettings,
1881 };
1882